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小学英语语法大全13现在进行时

admin 小学英语 2021-04-23 14:15:51

 

  1、定义:表示现在或现阶段正在进行或发生的动作。句中常有now,look,listen等词。
  如:I am washing clothes now.
  Look! Liu Tao is climbing the tree.
  Listen! Jane is singing in the music room.
  2、构成:be动词(am/is/are)+ 动词现在分词(V-ing)
  3、动词现在分词构成:
  ① 一般是在动词原形后加ing
  如:read-reading,drink-drinking,eat-eating,look-looking
  ② 以不发音的e结尾的动词,去掉e,再加ing
  如:write-writing,make-making,ride-riding,take-taking
  ③ 以重读闭音节结尾,如末尾只有一个辅音字母,要双写这个字母,再加ing
  如:sit-sitting,swim-swimming,put-putting,run-running,stop-stopping,get-getting,begin-beginning,jog-jogging,forget-forgetting
  4、动名词其实就是动词的现在分词,它既有名词性质(可作主语),又有动词性质(可带宾语)。
  如:Asking the way
  My hobby is collecting stamps.
  He is good at skating.
  5、现在进行时的句型转换:
  肯定句 否定句 一般疑问句及回答
  He is running now. He isn’t running now. —Is he running now?—Yes, he is. / No, he isn’t.
  They are makinga puppet. They aren’t makinga puppet. — Are they making a puppet?—Yes, they are. / No, they aren’t.
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